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What is the primary function of a base coat in nail care?

  1. To provide a high gloss finish

  2. To protect the nail from staining

  3. To enhance nail growth

  4. To add color to the nail

The correct answer is: To protect the nail from staining

The primary function of a base coat in nail care is to protect the nail from staining. A base coat is applied before the nail polish to create a barrier between the natural nail and the colored polish. This protective layer helps prevent the pigments in the polish from penetrating the nail plate, which can lead to discoloration or staining over time. It also helps in promoting better adhesion of the polish, ensuring that the manicure lasts longer without chipping. While base coats can sometimes offer additional benefits, such as smoothing the surface of the nail or contributing to a more even application of color, their main purpose revolves around protection against staining and enhancing the longevity of the manicure.